Winter Weather advisories have
been issued for later Wednesday night until early Thursday evening as a storm
bears down on the area. Measurable snow has fallen officially on Halloween just
once before since snow records began in 1885 (0.1” in 2014) but this year
appears likely to obliterate that record!
A Winter Weather
Advisory for 4 to 6-inches of snow will be in effect for counties to the far
northwest of Chicago: Winnebago, Boone, McHenry, Ogle, Lee and DeKalb
Counties. It begins at 7 p.m. until 4 p.m. Thursday. A Winter Weather Advisory
for 2 to 4-inches of snow will be in effect for the band of counties extending
from Lake County through Kane, Kendall, LaSalle, Grundy, and Livingston
Counties from midnight until 6 p.m. Thursday. A Winter Weather Advisory calling
for 1 to 4-inches of snow is in effect for Cook and DuPage Counties from 3
a.m. until 6 p.m. Thursday. Two to 4-inches may occur in DuPage and
northwestern Cook Counties with snowfall tailing-off to an inch or less
downtown and southern Cook County. This will be heavy wet snow, complicated
somewhat by northeast winds gusting over 30 miles per hour. Roads will likely become
slushy and slick with dangerous driving conditions for the Thursday morning
commute. The strong winds will build waves on Lake Michigan with 6 to 10-waves
expected to cause flooding in low-lying areas along the Illinois Lake Michigan
shoreline where a Lakeshore Flood Advisory will be in effect from 10 a.m.
Thursday until just after midnight.
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